/*
 *  Copyright 2001-2004 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package ar.uba.fi.posgrado.economy.web.action.debt;

import java.security.Principal;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import ar.uba.fi.posgrado.common.model.Student;
import ar.uba.fi.posgrado.common.model.User;
import ar.uba.fi.posgrado.common.service.StudentService;
import ar.uba.fi.posgrado.common.service.UserService;
import ar.uba.fi.posgrado.economy.model.Debt;
import ar.uba.fi.posgrado.economy.service.DebtService;
import ar.uba.fi.posgrado.economy.web.form.debt.DebtForm;

/**
 * Action que lista las deudas de un {@link Student Alumno}
 * en particular.<br>
 * Espera recibir el id del alumno por parametro.<br>
 * 
 * @author nicolas.gonzalez
 * @see Action
 */
@SuppressWarnings("serial")
public class ListDebtsByStudentAction extends Action {

    /** Logger */
    private static Logger logger = Logger.getLogger(ListDebtsByStudentAction.class);
    
    private StudentService studentService;
    private DebtService debtService;
    private UserService userService;
    
    /**
     * IoC
     * @param studentService the studentService to set
     */
    public void setStudentService(StudentService studentService) {
        this.studentService = studentService;
    }

    /**
     * IoC
     * @param debtService the debtService to set
     */
    public void setDebtService(DebtService debtService) {
        this.debtService = debtService;
    }
	public void setUserService(UserService userService) {
		this.userService = userService;
	}
    
    
    /**
     * @see org.apache.struts.action.Action#execute(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    @Override
    @SuppressWarnings("unchecked")
    public ActionForward execute(ActionMapping mapping, ActionForm actionForm,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        if (logger.isDebugEnabled()) {
            logger.debug("Por buscar las deudas de un alumno ...");
        }
        DebtForm form = (DebtForm)actionForm;
        Long studentId = form.getStudentId();
        Student student = this.studentService.getById(studentId); 
        if (logger.isDebugEnabled()) {
            logger.debug("Las deudas corresponden a: " + student);
        }
        List<Debt> debts = this.debtService.getDebtsByConditions(null, student);
        Principal ppal =  request.getUserPrincipal();
        String userName = ppal.getName();
        User user = this.userService.getUserByName(userName);
        debts = this.debtService.filter(debts, user);

        form.setDebts(debts);
        form.setStudentId(studentId);
        
        return mapping.findForward("success");
    }
    
}
